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Get Full Access to Microelectronic Circuits - 6 Edition - Chapter 2 - Problem 2.71
Get Full Access to Microelectronic Circuits - 6 Edition - Chapter 2 - Problem 2.71

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# The circuit shown in Fig. P2.71 is a representation of a ISBN: 9780195323030 147

## Solution for problem 2.71 Chapter 2

Microelectronic Circuits | 6th Edition

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Problem 2.71

The circuit shown in Fig. P2.71 is a representation of a versatile, commercially available IC, the INA105, manufactured by Burr-Brown and known as a differential amplifier module. It consists of an op amp and precision, lasertrimmed, metal-film resistors. The circuit can be configured for a variety of applications by the appropriate connection of terminals A, B, C, D, and O.(a) Show how the circuit can be used to implement a difference amplifier of unity gain. (b) Show how the circuit can be used to implement single-ended amplifiers with gains: (i) 1 V/V (ii) +1 V/V (iii) +2 V/V (iv) +1/2 V/VAvoid leaving a terminal open-circuited, for such a terminal may act as an antenna, picking up interference and noisethrough capacitive coupling. Rather, find a convenient node to connect such a terminal in a redundant way. When more than one circuit implementation is possible, comment on the relative merits of each, taking into account such considerations as dependence on component matching and input resistance.

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ECE 3301 Homework Assignment 1 1. The current flowing past a point in a device is shown in the given figure, where A = 15. Calculate the total charge through the point. The current entering the positive terminal of a device is i(t) = 9 e mA and the voltage across the device is v(t) = 7 V. 2. Find the charge delivered to the device between t = 0 and t = 2 s. 3. Calculate the power absorbed by the device. 4. Determine the energy absorbed in 3 s. 5. Consider the network given below, where I = 11 A and I = 5 2. Calculate the power absorbed by each element in the given network. 6. A 1­kW toaster takes roughly 4 minutes to heat four slices of bread. Find the cost

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